小题1:He is stone deaf.

小题2:Watch out! There’s a car coming!

小题3:The policeman followed the thief into s supermarket.

小题4:I moved here when I was five.

小题5:It seems that they are on the playground.

冷锋经过地区如果没有形成降水，其原因可能是（）

A、锋面移动速度减慢

B、锋面性质发生变化

C、冷气团中水汽含量很少

D、暖气团中水汽含量很少